add qty precision

app/pdf/order_item_pdf.rb

@@ -1,4 +1,5 @@
 class OrderItemPdf < Prawn::Document
+  include ActionView::Helpers::NumberHelper
   attr_accessor :label_width,:price_column_width,:page_width, :page_height, :margin, :price_width, :item_width, :header_font_size, :item_font_size,:item_height,:qty_width,:total_width,:item_description_width
   def initialize(print_settings,order_item, print_status, options, alt_name)
     self.page_width = 180
@@ -30,7 +31,7 @@ class OrderItemPdf < Prawn::Document
     order_info(order_item.order_id, order_item.order_by,order_item.order_at)
 
     # order items
-    order_items(order_item, options, alt_name)
+    order_items(order_item, options, alt_name, print_settings.precision)
   end
 
   # Write Order Information to PDF
@@ -58,11 +59,11 @@ class OrderItemPdf < Prawn::Document
   end
 
   # Write Order items to PDF
-  def order_items(order_item, options, alt_name)
+  def order_items(order_item, options, alt_name, precision)
     y_position = cursor
 
     #Add Order Item    
-    add_order_items(order_item, options, alt_name)
+    add_order_items(order_item, options, alt_name, precision)
 
     dash(1, :space => 1, :phase => 1)
     stroke_horizontal_line 0, (self.page_width - self.margin)
@@ -70,7 +71,7 @@ class OrderItemPdf < Prawn::Document
   end
 
   # Add order items under order info
-  def add_order_items(order_item, options, alt_name)
+  def add_order_items(order_item, options, alt_name, precision)
     y_position = cursor
 
     move_down 5
@@ -80,7 +81,7 @@ class OrderItemPdf < Prawn::Document
     end
 
     bounding_box([self.item_width,y_position], :width => self.qty_width) do
-        text "[#{order_item.qty.to_i}]", :size => self.item_font_size,:align => :left
+        text "[#{number_with_precision(order_item.qty.to_i, :precision => precision.to_i)}]", :size => self.item_font_size,:align => :left
     end
 
     bounding_box([0,y_position], :width => self.item_width) do